SimpleSqlExec.InputParameters.ValidateParameters C# (CSharp) 메소드

        private void ValidateParameters()
        {
            if (this.DebugInfoFile != String.Empty)
            {
                CheckFilePath(this.DebugInfoFile);
            }

            if (this.AttachDBFilename != String.Empty)
            {
               if(!File.Exists(this.AttachDBFilename))
               {
                   throw new IOException("The requested database file to attach:\n\"" + this.AttachDBFilename + "\"\ncannot be found or is inaccessible.");
               }
            }

            if (this.BatchTerminator == String.Empty)
            {
                throw new ArgumentException("The batch terminator cannot be an empty\nstring or all white-space characters.");
            }

            if (this.InputFiles.Count > 0 && this.Query != String.Empty)
            {
                throw new ArgumentException("The -i and -Q switches are mutually exclusive.\nPlease specify only one of those.");
            }

            if (this.InputFiles.Count == 0 && this.Query == String.Empty)
            {
                throw new ArgumentException("No query has been specified.\nPlease use the -Q switch to pass in a query batch\nor specify one or more files using the -i switch.");
            }

            if (this.InputFiles.Count > 0)
            {
                FileInfo _TempFile;
                bool _AllFilesEmpty = true;

                foreach (string _File in this.InputFiles)
                {
                    _TempFile = new FileInfo(_File);

                    if (_TempFile.Length > 0)
                    {
                        _AllFilesEmpty = false;
                        break;
                    }
                }

                if (_AllFilesEmpty)
                {
                    throw new ArgumentException("All of the input files specified are empty.\nPlease specify one or more non-empty files,\nor use the -Q switch to specify a query.");
                }
            }

            if (this.OutputFile != String.Empty)
            {
                CheckFilePath(this.OutputFile);
            }

            if (this._CheckForExistingOutputFile && this.OutputFile != String.Empty)
            {
                CheckForExistingOutputFile(this.OutputFile);
            }

            return;
        }